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run code in 150+ php & hhvm versions
Bugs & Features
<?php (!preg_match("/([\w\-.]+\@[\w\-]+\.[\w\-]+)/", "maragathamani.b@gmail.com", $matches)); echo $matches[1]; // 1234
Output for 4.3.0 - 5.0.5, 5.1.1 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
maragathamani.b@gmail.com
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/AciW4 on line 3
Process exited with code 255.